vf_node_title_variants
field_t_subtype
item
vf_node_webs
| title (web) | field_t_title_web | |
|---|---|---|
| https://en.wikipedia.org/wiki/Astronaut_propulsion_unit#Soviet_SPK | ||
| http://www.astronautix.com/s/spk.html | SPK |
fr_importance